Overview from the south of a rockshelter on the nature trail at Giant City State Park, located on the northern edge of Union County, Illinois, United States.
Overview from the south of a rockshelter on the nature trail at Giant City State Park, located on the northern edge of Union County, Illinois, United States. Nyttend · Public domain

Giant City State Park

State Park · Illinois · Illinois Department of Natural Resources

Plan your visit

Trails & hiking

Hiking · Horseback Riding

Camping

Camping

Site types & reservations: see the official site.

Cabins & lodging

Lodging

Availability & booking: see the official site.

Know before you go

Official site
dnr.illinois.gov
Managed by
Illinois Department of Natural Resources

Getting there

Directions on Google Maps →

Things to do

Activities & features: Archery · Boating · Fishing · Hunting · Interpretive Signage · Picnic Area · Rock Climbing · Store · Visitor Center

Photos

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62 parks mapped in Illinois

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Guides for the trip

All guides →

Sources: Wikimedia Commons / editorial, State agency · updated 2026-09-12